from django.db import models

# Create your models here.

""" 用户信息 """
class UserInfo(models.Model):
    username = models.CharField(verbose_name='用户名',max_length=32, db_index=True)    # db_index=Ture 创建索引
    email = models.EmailField(verbose_name="邮箱",max_length=32)
    mobile_phone = models.CharField(verbose_name="手机号", max_length=32)
    password = models.CharField(verbose_name="密码", max_length=32)
    # price_policy = models.ForeignKey(verbose_name='价格策略', to='PricePolicy', null=True, blank=True)

""" 价格策略 """
class PricePolicy(models.Model):
    category_choices = (
        (1, '免费版'),
        (2, '收费版'),
        (3, '其他'),
    )
    categoty = models.SmallIntegerField(verbose_name='收费类型', default=2, choices=category_choices)
    title = models.CharField(verbose_name='标题', max_length=32)
    price = models.PositiveIntegerField(verbose_name='价格')

    project_num = models.PositiveIntegerField(verbose_name='项目数')
    project_member = models.PositiveIntegerField(verbose_name='项目成员数')
    project_space = models.PositiveIntegerField(verbose_name='单项目空间')
    per_file_size = models.PositiveIntegerField(verbose_name='单文件大小（M）')

    create_datetime = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)

""" 交易记录 """
class Transaction(models.Model):
    status_choice = (
        (1, '未支付'),
        (1, '已支付'),
    )

    status = models.SmallIntegerField(verbose_name='状态', choices=status_choice)

    order = models.CharField(verbose_name='订单号', max_length=64, unique=True)
    user = models.ForeignKey(verbose_name='用户', to='UserInfo', on_delete=models.CASCADE)
    price_policy = models.ForeignKey(verbose_name='价格策略', to='PricePolicy', on_delete=models.CASCADE)

    count = models.IntegerField(verbose_name='数量（年）', help_text='0表示无限期')

    price = models.IntegerField(verbose_name='实际支付价格')

    start_datetime = models.DateTimeField(verbose_name='开始时间', null=True, blank=True)
    end_datetime = models.DateTimeField(verbose_name='结束时间', null=True, blank=True)

    create_datetime = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)


""" 项目表 """
class Project(models.Model):
    COLOR_CHOICES = (
        (1, '#56b8eb'),
        (2, '#f28033'),
        (3, '#ebc656'),
        (4, '#a2d148'),
        (5, '#20bfa4'),
        (6, '#7461c2'),
        (7, '#20bfa3'),
    )

    name = models.CharField(verbose_name='项目名', max_length=32)
    color = models.SmallIntegerField(verbose_name='颜色', choices=COLOR_CHOICES, default=1)
    desc = models.CharField(verbose_name='项目描述', max_length=255, null=True, blank=True)
    use_space = models.IntegerField(verbose_name='项目已使用空间', default=0)
    star = models.BooleanField(verbose_name='星标', default=False)

    join_count = models.SmallIntegerField(verbose_name='参与人员', default=1)
    creator = models.ForeignKey(verbose_name='创建者', to='UserInfo', on_delete=models.CASCADE)
    create_datetime = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)
    # 查询：可以省事
    # 增加，删除，修改：无法完成
    # project_user = models.ManyToManyField(to='UserInfo', through='ProjectUser', through_fields=('project','user'))

""" 项目参与者 """
class ProjectUser(models.Model):
    # user = models.ForeignKey(verbose_name='参与者', to='UserInfo', related_name="a")
    project = models.ForeignKey(verbose_name='项目', to='Project', on_delete=models.CASCADE)
    user = models.ForeignKey(verbose_name='参与者', to='UserInfo', on_delete=models.CASCADE)
    star = models.BooleanField(verbose_name='星标', default=False)

    # invitee = models.ForeignKey(verbose_name='邀请者', to='UserInfo', related_name="b")

    create_datetime = models.DateTimeField(verbose_name='加入时间', auto_now_add=True)
